MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. Heuristics indicate the document functions as a link farm, with many embedded URLs pointing to potentially compromised websites or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings suggests a deliberate attempt to distribute malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://henskeschildersbedrijf.nl/upload/benisakogizasofamiva.pdf In PDF document text
- https://digireg.es/upload/ragusirapoxelipa.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/2362724644.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161372faf288b7---84299131246.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/lomidifegutada.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613613ce9f267---kikafore.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16135a504559ac---51968908982.pdfIn PDF document text
- http://phuongdonggolf.vn/app/webroot/uploads/files/48684607172.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210906204404.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/zubukizut.pdfIn PDF document text
- http://mobilahomedesign.com/userfiles/files/waduzegivexivuru.pdfIn PDF document text
- http://problemconsulting.com/img/download/files/pezuzowiw.pdfIn PDF document text
- https://almavilag.hu/files/files/98072430281.pdfIn PDF document text
- http://vagtteam.dk/userfiles/Files/dodufeziworofo.pdfIn PDF document text
- http://www.hgbehringer.de/img/files/files/94321712334.pdfIn PDF document text
- https://spandoekland.nl/userfiles/file/janubigujalusoku.pdfIn PDF document text
- http://mapect.com/upload/fckeditor/file/jitogixojinedunabej.pdfIn PDF document text
- http://osstemcardiotec.com/files/fckeditor/file/703105705612f0adc333dd.pdfIn PDF document text
- http://sxhk365.com/uploads/file///lupawalobotosoguxosib.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/dumutenunemipiwavubeb.pdfIn PDF document text
- http://kcntanduc.vn/img_duhoc/files/pabenuguzedovaruji.pdfIn PDF document text
- https://demircanticaret.com/userfiles/file/40069407791.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1630572693.pdfIn PDF document text
- http://zdravi-kromeriz.cz/files/file/8003383829.pdfIn PDF document text
- http://thesecurityguardunion.ca/userfiles/files/wejozufemevulejubodelemu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=pc+to+phone+screen+mirroringPDF link annotation
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/46624493438.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d4d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D8 | 10612 bytes |
SHA-256: ce65e2cc6d3f454f59eeddcc546110b72848eb5742b98cff2e5d9a52bfaae1ea |
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font_01_sfnt_off0000eced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECED | 17852 bytes |
SHA-256: 1060c44df1c2797c15ad88eff6b79a6b435846d76a20549b0395cd7bb970e45d |
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font_02_sfnt_off00011b2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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